linux-kernel - Re: [PATCH 2/2] OPP: Disallow "opp-hz" property without a corresponding clk

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 21 Nov 2022 08:22:01 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>, andersson@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] OPP: Disallow "opp-hz" property without a
 corresponding clk

On Mon, Nov 21, 2022 at 12:27:48PM +0530, Viresh Kumar wrote:
> This removes the special code added by the commit 2083da24eb56 ("OPP:
> Allow multiple clocks for a device"), to make it work for Qcom SoC.
> 
> In qcom-cpufreq-hw driver, we want to skip clk configuration that
> happens via dev_pm_opp_set_opp(), but still want the OPP core to parse
> the "opp-hz" property so we can use the freq based OPP helpers.
> 
> The DT for Qcom SoCs is fixed now and contain a valid clk entry, and we
> no longer need the special handling of the same in the OPP core.

Didn't this affect also sc8280xp? Perhaps you can hold off with applying
this one for a bit until the needed devicetree changes are in linux-next
for all the affected platforms.

(It looks like Mani's series only updated sm8450 and I guess Bjorn
hasn't picked up that one up yet either.)

Johan